Under NG911, requests for emergency assistance don’t have to come from a land line or cell phone. They can come from a sensor sending data of smoke and high heat in a building, or from a personal medical device that is triggered by heart attack symptoms. A 911 call could even be generated by a telematics signal on an overturned tractor in a farmer’s field. And all of these devices will need to be located accurately.
That’s why any device capable of generating an emergency call will need to have its location pre-validated against the local 911 GIS data in advance of a call so the location can become part of any future 911 call from that device. This will allow incoming calls to be automatically routed to the proper Public Safety Answering Point (PSAP).
The Emergency Call Routing Function (ECRF)/Location Validation Function (LVF) together are a primary part of NG911. Local GIS data must be maintained in a real-time database in order for the ECRF/LVF to properly identify any device calling 911. And with NG911, those calls don’t have to come from a land line or cell phone. They can come from:
• A sensor sending data of smoke and high heat in a building.
• A personal medical device that is triggered by heart attack symptoms.
• A telematics signal from an overturned tractor in a farmer’s field.
• Other high-tech devices.
The location of these devices will need to be pre-validated against the local Public Safety Answering Point’s (PSAP) GIS data in advance of any emergency call in NG911 so the location can become part of any 911 call from that device. This allows calls to be automatically routed to the proper PSAP as part of the ECRF.
It sounds complicated, but every NG911 system will need to be able to handle this more sophisticated level of emergency communication – and having highly accurate GIS data as the cornerstone will be paramount to its success.
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ACCURACY MATTERS. And it will matter more than ever in NG911.